/* ==========================================================
   NIKTEHA · Splash de bienvenida
   ========================================================== */
.nk-splash {
  position: fixed; inset: 0; z-index: 2000;
  display: flex; align-items: center; justify-content: center; text-align: center;
  color: var(--nk-cream, #efe5d9);
  background:
    radial-gradient(circle at 70% 25%, rgba(151,114,48,0.28), transparent 45%),
    radial-gradient(circle at 25% 80%, rgba(179,190,164,0.18), transparent 50%),
    linear-gradient(160deg, #373d26 0%, #4a5238 55%, #61684b 100%);
  overflow: hidden;
  opacity: 1;
  transition: opacity 0.9s ease, transform 0.9s ease;
}
.nk-splash::before {
  content: ''; position: absolute; inset: -40%; pointer-events: none;
  background: radial-gradient(circle, rgba(239,229,217,0.08), transparent 55%);
  animation: nkSplashGlow 9s ease-in-out infinite alternate;
}
@keyframes nkSplashGlow { from { transform: translate(-6%, -4%) scale(1); } to { transform: translate(6%, 5%) scale(1.15); } }
.nk-splash.leaving { opacity: 0; transform: scale(1.04); pointer-events: none; }

.nk-splash-inner { position: relative; width: min(92vw, 520px); display: flex; flex-direction: column; align-items: center; }

/* Marca */
.nk-splash-brand {
  font-family: var(--font-serif, Georgia, serif); font-size: clamp(1.6rem, 5vw, 2.3rem); letter-spacing: 0.3em; text-transform: uppercase; font-weight: 600;
  color: var(--nk-cream, #efe5d9); line-height: 1; display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
  opacity: 0; transform: translateY(14px); transition: opacity 1.1s ease, transform 1.1s ease;
}
.nk-splash-brand small { font-family: var(--font-sans, sans-serif); font-size: 0.62rem; letter-spacing: 0.32em; color: #b3bea4; font-weight: 500; }
.nk-splash.ready .nk-splash-brand { opacity: 1; transform: none; }

/* Mensajes ("Espera un momento…", "Respira con nosotros") */
.nk-splash-msg {
  margin: 2.2rem 0 0; min-height: 1.6em; font-size: clamp(0.95rem, 2.6vw, 1.15rem); font-weight: 300; letter-spacing: 0.08em;
  opacity: 0; transform: translateY(8px); transition: opacity 0.5s ease, transform 0.5s ease;
}
.nk-splash-msg.show { opacity: 0.95; transform: none; }
.nk-splash-msg::after { content: ''; display: inline-block; width: 0; animation: nkDots 1.6s steps(4) infinite; overflow: hidden; vertical-align: bottom; }
.nk-splash.breathing .nk-splash-msg::after, .nk-splash.welcoming .nk-splash-msg::after { display: none; }
@keyframes nkDots { to { width: 1.2em; } }

/* Círculo de respiración */
.nk-splash-circle {
  position: relative; width: clamp(150px, 40vw, 200px); aspect-ratio: 1; margin: 1.8rem 0 0.8rem; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transform: scale(0.4);
  transition: opacity 0.9s ease, transform 2.6s cubic-bezier(0.45, 0, 0.55, 1);
}
.nk-splash-circle.visible { opacity: 1; transform: scale(0.72); }
.nk-splash-circle.inhale { transform: scale(1.12); }
.nk-splash-circle.exhale { transform: scale(0.72); }
.nk-splash-circle.collapse { opacity: 0; transform: scale(0.2); transition-duration: 0.8s; }
.nk-splash-circle::before, .nk-splash-circle::after {
  content: ''; position: absolute; inset: 0; border-radius: 50%;
}
.nk-splash-circle::before { background: radial-gradient(circle, rgba(179,190,164,0.55), rgba(179,190,164,0.12) 62%, transparent 70%); box-shadow: 0 0 0 1px rgba(239,229,217,0.35) inset, 0 0 60px rgba(179,190,164,0.25); }
.nk-splash-circle::after { inset: 16%; background: radial-gradient(circle, rgba(151,114,48,0.55), rgba(239,229,217,0.35) 55%, transparent 72%); }
.nk-splash-ring { position: absolute; inset: -14%; border-radius: 50%; border: 1px solid rgba(239,229,217,0.22); }
.nk-splash-ring + .nk-splash-ring { inset: -28%; border-color: rgba(239,229,217,0.1); }
.nk-splash-circle.inhale .nk-splash-ring { animation: nkSplashRing 2.6s ease-out forwards; }
@keyframes nkSplashRing { from { transform: scale(0.9); opacity: 1; } to { transform: scale(1.25); opacity: 0; } }

/* Palabra Inhala / Exhala */
.nk-splash-word {
  position: relative; z-index: 1; font-family: var(--font-serif, Georgia, serif); font-size: clamp(1rem, 3.4vw, 1.3rem);
  letter-spacing: 0.26em; text-transform: uppercase; font-weight: 600; color: #fff; text-shadow: 0 2px 14px rgba(55,61,38,0.5);
  opacity: 0; transform: translateY(6px); transition: opacity 0.45s ease, transform 0.45s ease;
}
.nk-splash-word.show { opacity: 1; transform: none; }

/* Indicador de ciclos (dos puntos) */
.nk-splash-dots { display: flex; gap: 0.55rem; margin-top: 0.3rem; opacity: 0; transition: opacity 0.6s ease 0.3s; }
.nk-splash.breathing .nk-splash-dots { opacity: 1; }
.nk-splash-dots i { width: 9px; height: 9px; border-radius: 50%; border: 1px solid rgba(239,229,217,0.6); background: transparent; transition: background 0.5s ease, transform 0.5s ease; }
.nk-splash-dots i.done { background: #977230; border-color: #977230; transform: scale(1.25); }

/* Bienvenida */
.nk-splash-welcome {
  position: absolute; left: 0; right: 0; top: 50%; transform: translateY(-40%);
  pointer-events: none; opacity: 0; transition: opacity 1.1s ease, transform 1.1s cubic-bezier(.2,.7,.2,1);
}
.nk-splash-welcome strong {
  display: block; font-family: var(--font-serif, Georgia, serif); font-weight: 600; font-size: clamp(2.2rem, 8vw, 3.6rem);
  letter-spacing: 0.7em; padding-left: 0.7em; color: #fff; line-height: 1.1;
  transition: letter-spacing 1.6s cubic-bezier(.2,.7,.2,1), padding-left 1.6s cubic-bezier(.2,.7,.2,1);
}
.nk-splash-welcome span { display: block; margin-top: 0.6rem; font-size: 0.78rem; letter-spacing: 0.3em; text-transform: uppercase; color: #b3bea4; opacity: 0; transition: opacity 0.9s ease 0.6s; }
.nk-splash-welcome::after { content: ''; display: block; width: 0; height: 1px; margin: 1rem auto 0; background: linear-gradient(90deg, transparent, #977230, transparent); transition: width 1.4s ease 0.4s; }
.nk-splash-welcome.show { opacity: 1; transform: translateY(-50%); }
.nk-splash-welcome.show strong { letter-spacing: 0.18em; padding-left: 0.18em; }
.nk-splash-welcome.show span { opacity: 1; }
.nk-splash-welcome.show::after { width: 140px; }
.nk-splash.welcoming .nk-splash-brand { opacity: 0; transform: translateY(-16px); }
.nk-splash.welcoming .nk-splash-dots { opacity: 0; }

/* Saltar */
.nk-splash-skip {
  position: absolute; bottom: max(1.4rem, env(safe-area-inset-bottom)); left: 50%; transform: translateX(-50%);
  background: transparent; border: 1px solid rgba(239,229,217,0.35); color: rgba(239,229,217,0.8); border-radius: 999px;
  font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; padding: 0.45rem 1.1rem;
  opacity: 0; transition: opacity 0.6s ease 1.8s, background 0.2s, color 0.2s;
}
.nk-splash.ready .nk-splash-skip { opacity: 1; }
.nk-splash-skip:hover { background: rgba(239,229,217,0.12); color: #fff; }

/* Mientras el splash está activo, la página espera */
html.nk-splash-active { overflow: hidden; }
html.nk-splash-active .nk-enter { animation-play-state: paused; }
html.nk-splash-active .nk-breathe-widget { animation-play-state: paused; }
html.nk-splash-active .nk-wa-widget { opacity: 0; }
.nk-wa-widget { transition: opacity 0.6s ease 0.4s; }

@media (prefers-reduced-motion: reduce) {
  .nk-splash::before { animation: none; }
  .nk-splash-circle, .nk-splash-dots { display: none; }
}

/* Logotipo en el splash */
.nk-splash-logo { width: clamp(220px, 60vw, 320px); height: auto; filter: drop-shadow(0 14px 34px rgba(0,0,0,0.35)); }
.nk-splash-brand { gap: 1rem; }
.nk-splash-brand small { font-size: 0.68rem; }